52421514512 has 20 divisors (see below), whose sum is σ = 101731317276. Its totient is φ = 26168271360.

The previous prime is 52421514503. The next prime is 52421514583. The reversal of 52421514512 is 21541512425.

It can be written as a sum of positive squares in 2 ways, for example, as 14468240656 + 37953273856 = 120284^2 + 194816^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645189 + ... + 2664932.

Almost surely, 2^52421514512 is an apocalyptic number.

It is an amenable number.

52421514512 is a deficient number, since it is larger than the sum of its proper divisors (49309802764).

52421514512 is a wasteful number, since it uses less digits than its factorization.

52421514512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310746 (or 5310740 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

The spelling of 52421514512 in words is "fifty-two billion, four hundred twenty-one million, five hundred fourteen thousand, five hundred twelve".